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import re
def fun(s):
for line in s:
line = line.rstrip()
if re.search('^[a-zA-Z0-9_-]+@[a-zA-Z0-9]+.[a-zA-Z0-9][a-z]{1,2}$',s):
mystring = ' '.join(s)
sorted(mystring)
return True
else:
return False
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import re def fun(s): for line in s: line = line.rstrip() if re.search('^[a-zA-Z0-9_-]+@[a-zA-Z0-9]+.[a-zA-Z0-9][a-z]{1,2}$',s): mystring = ' '.join(s) sorted(mystring) return True else: return False